N

Neptune's closest moon, discovered in 1989 by Voyager 2. It orbits Neptune at a distance of 48,227 kilometres (29,967 miles) and is just 67 km (42 miles) in diameter.

Narvi

moon of saturn

Nebula (plural nebulae)

Nereid

Neptune's third largest moon and the second to be discovered orbiting the planet. It was found by Dutch-American astronomer, Gerard P. Kuiper, in 1949. It is the sixth most distant moon of Neptune, orbiting at an average distance of 5,513,400 kilometres (3,425,868 miles) from the planet. It is about 340 kilometres (211 miles) in diameter.

Neso

Most distant of Neptune's moons, discovered in 2003 by Matthew J Holman and Brett J Gladman. Orbiting at a distance of 48,387,000 kilometres (30,066,288 miles), Neso is the most distant known moon of any planet in the Solar System. Neso has a diameter of approximately 60 km (37 miles)